Update README.md

README.md

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 # tldr-Discord
 [![Bot Invite Link](https://img.shields.io/badge/Invite%20Bot-badge.svg?label=&logo=discord&logoColor=ffffff&color=7389D8&labelColor=6A7EC2)](https://discord.com/api/oauth2/authorize?client_id=839254228736278579&permissions=0&scope=applications.commands%20bot)
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-A tldr pages bot for Discord that uses the new slash commands.
+A [tldr pages](https://github.com/tldr-pages/tldr) bot for Discord that uses the new slash commands. I tried to adhear to the [v1.5 client spec](https://github.com/tldr-pages/tldr/blob/v1.5/CLIENT-SPECIFICATION.md) but may have gone astray from it due to differences between a Discord client and a command line client.
 
 ![screenshot of slash command in use](https://raw.githubusercontent.com/Epictek/tldr-Discord/master/screenshot.png)
 
+# Todo:
+Handle caches better, store for 30 days and update if package not found.
+Implement language option using the locale of the guild and allow user to override.
 
 ## Self Host Guide:
 1. Download latest binary from [releases](https://github.com/Epictek/tldr-Discord/releases).